Mozart By sxd4578 Jan 27, 1756 Was when he was born. Birth date- Mar 14, 1761 was when he started playing little notes his father May 11, 1770 He started writing some opera Aug 12, 1781 was when he visited vienna. Jun 29, 1787 Was when he began composing Don Giovanni. composing Aug 31, 1788 Was when Don Giovanni was performed. Dec 16, 1788 was when it ended Dec 5, 1791 Was when he died.